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5051A Aluminum vs. 5254 Aluminum

Both 5051A aluminum and 5254 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is 5051A aluminum and the bottom bar is 5254 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 18 to 21
3.4 to 22
Fatigue Strength, MPa 51 to 61
110 to 160
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 110
150 to 200
Tensile Strength: Ultimate (UTS), MPa 170
240 to 350
Tensile Strength: Yield (Proof), MPa 56
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
32
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
11 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 23
73 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 17 to 18
25 to 37
Strength to Weight: Bending, points 25
32 to 41
Thermal Diffusivity, mm2/s 63
52
Thermal Shock Resistance, points 7.6
10 to 16

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
94.4 to 96.8
Chromium (Cr), % 0 to 0.3
0.15 to 0.35
Copper (Cu), % 0 to 0.050
0 to 0.050
Iron (Fe), % 0 to 0.45
0 to 0.45
Magnesium (Mg), % 1.4 to 2.1
3.1 to 3.9
Manganese (Mn), % 0 to 0.25
0 to 0.010
Silicon (Si), % 0 to 0.3
0 to 0.45
Titanium (Ti), % 0 to 0.1
0 to 0.050
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants